{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "735922",
    "entityType": "User",
    "nonce": "0xa1d3393cdb3f6459f51121239e5797a2fb47881e5a684c14322d0dfd580e3552",
    "signature": "0x0b1a96d5c0af121ec792bef11c60578b1a8cc2634b963d26a53ac9155d53994a18f8921899cd1f412be846a2e1df17f8f75ad201d7cb93d888ae0dce62f4d0b21b",
    "signer": "0x6eF66a6206A4589bEd5849d15Bc2746C2603b01f",
    "userId": "989336341"
  }
}