{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2324",
    "entityType": "User",
    "nonce": "0x84eb0092ec0cf3b1146107c004ac59059a221149291f0046f95234602f41fd69",
    "signature": "0x64843afea26f4b5fbe226909d2fe139e23d72f8fe0125656bfe0b362851d852e1019389ffd9af3efb5302285a0f1752a09d21b9cc9f1eac491e11b9fbf57d61d1c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}