{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "73678",
    "entityType": "User",
    "nonce": "0xc36713642a5bd7a3cc3dba01c5483480b598c36b4219451a4565757f404ab986",
    "signature": "0xc30c2d8ca96aba6e7a247c5c189a85b684f24b5d619c628b8acd8008a2ec2edb431c961e44098a42ee9ce19194b525250b15938b67806afeb0ec7267ccfb50551b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}