{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "742601176",
    "entityType": "User",
    "nonce": "0xd17b60196b48a026d149958f9e90368751edc23c3dbda8ac9eebf09af6eed85a",
    "signature": "0x161c9012d367d21b19324994574a90f4f3febd23964d704a5d7f965bedc260f42985e4a99573fa1c0b8d54d3fd71100916d2799ac026c10938ecd0cf63e07e771b",
    "signer": "0x5f669126A64334710E37f472BfBfE0D8cF408577",
    "userId": "171892"
  }
}