{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "216945",
    "entityType": "User",
    "nonce": "0xc89e976a2b7b3b0f76f4d36e1d0eba6712490d5ba1b82709a84b339beb141091",
    "signature": "0x21395e40f35a2136ffaf00a79f5f851807c8cb34ce6efdad140b3dfaaa16fc1055763f8fb6a421abd5992b45315a9128d6a272a3e9a0f307854e3b355e75d1bc1c",
    "signer": "0x0eE7CC00e9f61Fa97181E6BB203C97f8b23904e6",
    "userId": "968779607"
  }
}