{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "469412615",
    "entityType": "User",
    "nonce": "0xdc70d08dddb6e8b48c067a5f358f975dc1516c076990f58a5a5275b1bc02fe47",
    "signature": "0xd9cb3408ffce698c4beb30c8e06e03cddef76252c86814fdce38dc507fbb03b1156fbfcf62a11c284e7ee0bfd4698e5ae96ac366e1eca8e01379d86facdd92551c",
    "signer": "0xE726D55D6940a70995Ce9D8aa1aCE76FC6f4f544",
    "userId": "285113781"
  }
}