{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "126290",
    "entityType": "User",
    "nonce": "0x185f3bd08f04b449cf0fb4362032dd98edbdd47cd537af257276da83b11dfdf6",
    "signature": "0xb538425c64509dc4dd4c8e1885c1760a9ee0f263b349a06d5d8286f62f770e5346d47568457cf6ced5ca6b9951a8f097ee2f204755bf8e64e550281394276a951c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}