{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0x7742814eae1fb8b2f96ae3e44995da5adc7e3ea172596d166effca102b4b463e",
    "signature": "0x2685b3cafee1bd98755da5e91d758349121f4807e569e4fc15fbd8c3cb1c94e81377fc6edce8bb38af39955b33fff153c420d680f1afd3482724b3526bb3ee611c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}