{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1477402",
    "entityType": "User",
    "nonce": "0x0b1ab95320d0ac7ec220f783d2c9ab11866a47031762a2228d8053f45772a6cd",
    "signature": "0xd2cb7511415b11ffaed0c9d995e47a7c1c9c11b853b1f01b3a7d08dde3a203143d818a026e46f7c7dca1eb6fe43ad156cf9434420271f5745da63c397f38aa631c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}