{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "910230843",
    "entityType": "User",
    "nonce": "0x52d20e32d6d2e30c14dc90cc8d5953758608b4e2e853dee5fc0a5fbfedd542ae",
    "signature": "0x76bb634dd58cb3d582e23854258f1723f659a57cb9acfceeb7797e0da013e57e6b8ca3cebe15a07464ce822f9e08da2fa3d1ee53cbcb752a83aba410bf4b693e1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}