{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "858065710",
    "entityType": "User",
    "nonce": "0x1f7f7fd63ce45af8431b49e5bc41256107571e9629060c8ef24650a53e19cff1",
    "signature": "0xeec77d2d60886490de57d89c1eb40e63b2ef33a0d6dd034e4e27133e9f5e23ee34096f04ef0d5c04a5737b868b21e641a892f744c65629cf5cf5832e8c67df741c",
    "signer": "0xF0Ec7D424448ce71cAE7087981F95e01CCfAF500",
    "userId": "893029358"
  }
}