{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "347461",
    "entityType": "User",
    "nonce": "0xe28aeeb0da0943eb13592fd4cb9126fda90ea916ff827f8127d1759676db2d62",
    "signature": "0x83261de17930b8a3c637c2fb4b2b063a2af17604cf4c3605625d84c9782c9d5904528f87ad7bb33d887f50da68ab1800291c0a3146819b040b412240e31048d51c",
    "signer": "0xA5594f75935B53086a8f3231b314C131605FEDA6",
    "userId": "140185425"
  }
}