{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "656",
    "entityType": "User",
    "nonce": "0x62179e505d8193f106ba32e2319e6d743df91a7bb4fde6eecc91741559d191d4",
    "signature": "0xd94d05d2f52d74b2f7a47ab89fe5bd3cf5431bc2ff5016465169e22a212243af0c086c894abfd50e4c7ef22f869bb8988d5be7420a1e51e8f806cc186661160f1c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}