{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "310278846",
    "entityType": "User",
    "nonce": "0xad0a9bf3b3cc99c61bf60a9f6a878a4655c2f94d0e9b7c55020dfe3e81944fa9",
    "signature": "0x5e3d8e4a88447a00fab887fe1c8ef7dd8a31e860baab1bff3427bf2935f7e8ee5352a71724695304864939e96a0bcb0fbede805b82c029691efc48794a2849511c",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}