{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50097",
    "entityType": "User",
    "nonce": "0x846f10283cd145b7af9d51962aedf372b48fc60b5879210f5058b6817051b47a",
    "signature": "0x4572af47203cead51d49b2df498d6d26c22dd3328fe4bf56746971118f76f05d4cc6f38eb5f358a0c9e0aefcaf0256283163feff2c20dd17e9972798dcb0504a1b",
    "signer": "0x19Ef7aB90A425646F24020D3b88Fd21BC2ADb4b9",
    "userId": "438301978"
  }
}