{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x06f3c8dc634fcbaa06010cab6074f48d42c59fb9ecb6d5cbf9538175e830793f",
    "signature": "0x89118a385fc4ac51dfc5f5dc2c08ba18eb943c2393e0a7ac869c3b3d82696acf19d3f9788b45b19338347ca0b3901a2c14e2d48615bb8941a704febcd4ec1e0f1c",
    "signer": "0x0B8Ee9C69e97Fc455bE89f6992ABd35789739011",
    "userId": "902919203"
  }
}