{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "895527427",
    "entityType": "User",
    "nonce": "0x478fd77789a8f4abd594484893d03576af725fbcc808c4045f47e68fa898c3dc",
    "signature": "0x344221b9e49afcf5ab22626c65c4b7c9e0a9cb932784c1f707e0e03a71fa684144eecd81e86ed3e86aeb90910bc3b1132f92aef09b17684c0612b949eee583911b",
    "signer": "0x12705C8Fe8CE886CeFEFa0d4d46E906f2c35C954",
    "userId": "477934274"
  }
}