{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x682b8d197a3f8961932d36821fc9c961ae8ba95db5e041c273089280e9d7aeec",
    "signature": "0xc9a68e21b3ff5a740b91fc6b16b099a3b17d9a9811a7c4c48794ef33391a611b27489860f2723786ab37c5a7663198eb91a67a3f3c4b87a6078fea67c114caa51c",
    "signer": "0xeb91A948879B836116a8cF067E203B878465C581",
    "userId": "834177114"
  }
}