{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "473969",
    "entityType": "User",
    "nonce": "0x1acb6db452fadff9120008a5a66bb1d9593f619b4f62a56179d6615827ed9e5e",
    "signature": "0xb804fc00e53cf379c2eed8f950f84b893f023827b04a947cb2a4469b02b87b64567918bf18da53c7b1010c18c7de7411b4927793ae76bd3fdf34884f3d995add1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}