{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0xb71ade6509a15eabc6ce7e63483c72ecdf9844649291dec19d3dab0b26cab3d7",
    "signature": "0x1c1b5e098c43c8bbdfdf353c2b3f73e0b31d6c600712a95d783276bc822a2885100b20c742f657d44f72616b1076976d97d713e0d1f5665da34d1cff6d0a5f301c",
    "signer": "0xfe0812559692b402114f2E22b5680970591c3e39",
    "userId": "900235710"
  }
}