{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "923480019",
    "entityType": "User",
    "nonce": "0x14bbde7459ca2a9ca6b7588ab9b9669a1f7f0187583ac94233947c419f4d8e66",
    "signature": "0xd9b4f27118fa65d3e85c2dd59db6949db8bb69934830d4d1c3f06fa79b93a3526eba2dc196c4548da870af64d10c4a70ee6d972c55df3ed7a90cf14a8053372d1c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}