{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "38756",
    "entityType": "User",
    "nonce": "0x3b5cbff36a4f51af0b153d852ab0adda98a083a4c084828788beb3cc090a8463",
    "signature": "0x2e172064b230dace855be7e034e6df8ae9aca77ea84e5f13f264a250d348fcda57909399c9fdda59fc23b18619c120d303e5bae15f6a0283651c881bf75dc2cb1c",
    "signer": "0xab3fbeF816d349E87D7a9AF9D1b42b9D7E14A16F",
    "userId": "385866220"
  }
}