{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xe0d7719b4081e7e02025ddeb4ea02eeac65f0c19ab575ac6e32ebf21197d09f5",
    "signature": "0x593141f09ecce500fe5e4085c62d6690d7519d78fd305f9fd65f6ca2a23319341aecc0ec20910ebab3b4e95503934116ad7eaff4986d8845381f15324a2f10e81b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}