{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "39091",
    "entityType": "User",
    "nonce": "0xf7ff07ed1f0ac318b4e240093543616f502ad524337a01109b44a8c120101616",
    "signature": "0x8d6c77ba50f467be522fef6deaf30ea8a9cc9c76512727d85e6158c4db4bb2e554c7f18d3e1603dc0049ecbed3e53d1675c8fc90b332ab4c56b8efd50db1af7a1b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}