{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "78148",
    "entityType": "User",
    "nonce": "0x0b21fc7065026a86c3093abe699784c613db5b370059eb992538743af6ff5a3f",
    "signature": "0xaca5078babb09a7cdb7fdc9525ad4a183b93e2f71c049e49a3cf6e1a73a7342c0e956bc891afa04508dd0c536837a03ccbcfb7331f06df2d4e1a2298f1fe98811c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}