{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "895527427",
    "entityType": "User",
    "nonce": "0xb52f4b5e66dc9f4757b82c8c021aeaf11da3e5a6fb016ddd0b9bcc671ccd47d6",
    "signature": "0x07a196abc11a0bff3ae7d5de6ef484e3bad7e31fa93cfb72f1f25a8d212e33112eb5aaa9c5abbfcc0546841e527734b8bfc007210829fbe115e0b75d430f7f501b",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}