{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1482860",
    "entityType": "User",
    "nonce": "0x5182f51074ab15e017b08d4740d1cdf46c85e50cc96cb215d890d8d22e585c68",
    "signature": "0x77130a9d95dcc6cd6476960fe486ce66c0177b6d77c4ef1cfb03ef350c0fcbeb65cea7d9559cb0431cbb97601b0c2786ab52f64115c90b9d17bf18c301be8c761b",
    "signer": "0x6f828868368AA98fd60Bc2c5C32f791eedF56e98",
    "userId": "283783333"
  }
}