{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "305838",
    "entityType": "User",
    "nonce": "0xdd79e0b4c6b083daa440657aa2e9f21628b79c8058acb52714af5c027b956803",
    "signature": "0x1b538d6ba040147e6d96f43a4f495583108876830c643f79292a0c3bb047b51909e8e603725ad56bd58e78a2b7833ab8f1751b4df2205b60a082b77ccc1713bd1c",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}