{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "296466",
    "entityType": "User",
    "nonce": "0x7ef38b328944208545cf08a8af298a3f6daf32dcad5ecf1b2bf0d6eaedd16212",
    "signature": "0xb0fb7502e284a9230883008e1a6e658a88268a6ccb288b5d998548a66035a5266ac4ae294bcc99b8712d26d51cbe6469456c25f373d81c948586954195b76a841b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}