{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "167557",
    "entityType": "User",
    "nonce": "0xb99b5f7b5255b5a18f977081fb8909c921d88590054f2b7618507bed153c4b32",
    "signature": "0xeb9fea29039115602627eef6f69289854437e149bff4c32ba1cb2945fb16c14b1e6e88361621d3b6af02a37b7c83d21d2abec3f468c2805f777343a358114da51c",
    "signer": "0xeFC9B78A20535768B9d5BCd2702b853bd5C0789c",
    "userId": "333246"
  }
}