{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "133842",
    "entityType": "User",
    "nonce": "0x5eb5e447b7c190a6591d2509d6af64e5024b8334f3fd4a20fd8cda5e1e2b4692",
    "signature": "0x3ce7edb45ee16597d58cd5241cc9002f847fab310bc85ce6cde1c7c26b3a91cf2eb53ec5b8a0c620eeca03fd2b0f271e9ba39df878cda55281de0866a004f5961b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}