{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51888",
    "entityType": "User",
    "nonce": "0x62439cb3e1276f0cf097fef28439793d88bd5c64a6f2a94908f90c7012096a69",
    "signature": "0x16dd3ce428ea89176bf6b30f9b3a88352d9b062dee214534bc3ffdad9738e296333fb20cd6602edb66304d86b3db22772f651d791d9a9e9b078faf1ee98d95a91b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}