{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "81994",
    "entityType": "User",
    "nonce": "0x0f9c07859493f72db892e5cf45c32104889785d804a692e6de398a9cb845fbc9",
    "signature": "0xe36921ce118e51e10b010ad94c1b5e05bb3ace7ce1db29e3dd7b07cfe3be25b4354166299398e1de7d60195c7fcdc9b8c78424b890a2851507c2d42265bd88261b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}