{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "956403",
    "entityType": "User",
    "nonce": "0xa6e000cc27296db320055bfa4decf6450b718c08fcf9ae558ee85084bc151b28",
    "signature": "0xce951717ef0679eab02e34b52e80653b738cce6513cc1b50155d40cb9477523438b5b48ceea8743be5e78a25346318dd1e753d7e771686f3e7a637727edb1d3b1b",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}