{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "636236864",
    "entityType": "User",
    "nonce": "0x999990c5cf930f0dce699e8eab68214f4b1f327f2287851a36783816792bd872",
    "signature": "0x55a7f8bdf058b3330cdf3598c24d2af460f50035e7bc8eeef51b375e906fdf10487cf9ce645d41d9ed233247f4460d97c0a9fb2d5f60941843e59dc9ed8112c11c",
    "signer": "0xb5902ac1A81A6B795210DdEB50e8F1FdaC9aed97",
    "userId": "842982090"
  }
}