{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "141925",
    "entityType": "User",
    "nonce": "0x8469d0b5eb3bcd41be74796245869ed47906dc07d40ad4cab0cae5737f79bddf",
    "signature": "0x1a9fc39f051ab7418f76a388cba2f4d50c61aafe0319910264cf0002e1ad60b56ee9bcef036fdc124dcca618974c5d51b6f873d6c3629bae26d10a6a7310d9c21c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}