{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "192229984",
    "entityType": "User",
    "nonce": "0x4de91ec9e9709488d944cf85b0417bf92475fefde4fff11680d02b3b1b8407e5",
    "signature": "0x3ca0268dc8fd931327012bd3c5ab7f7eb7217abb02f07e1cd290c2c697245daf65b5449561462996946b6b089bd523315617206357e726097a98ba19b8543c8c1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}