{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "956403",
    "entityType": "User",
    "nonce": "0x6eb2118db45ee894fdb9f9fa753e2f779fa0e9418d3a0b5d393e7f3bab87466e",
    "signature": "0x2562b6026ee9f12f3c0f463c6aba71062dbebb7d108fb8f954d365e9abe8224b1a572f6ac12a11537b81393a72b39416b90b718f60aea786ebf01d6e29ecfbd11b",
    "signer": "0x36d561a0A85f6dd1a94f699a1077dD537A799687",
    "userId": "214954322"
  }
}