{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xa27591b61a20dc363d75c524ec8d88f076101340ab47588df397d7392a3376da",
    "signature": "0x298d0efb64ac1d5561de56072a49af8a40436e5cd8f083cbd91dd527aa13b71f30b64258e1ef1f18c2acb7cbccecbd7be5131773e09e921eab21d343ee3d53f01c",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}