{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "60043",
    "entityType": "User",
    "nonce": "0x81e8cdef933266291576df10ed846223f20fe5969194122113ea2398856beb00",
    "signature": "0xa03c8faf685c91f13e1ec40f3991541ee33a7ad0fdacb9e8c389568554b90fb6388b7a9a3a047f98e332707cadecabff3c308d90192aab36955666867b06d9071b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}