{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0xc715f12b0b7d876ef84e2dc147df4b02518fa0d1dad8fc522d57d92dc2990324",
    "signature": "0xb8480de038d323f881afa5e8cb5a9e7674785e02021cc063e98c27c3dabdab1c7e429d27659be483a6204802295e22daa4899c3a6c87431b6715db1ac9be11b01b",
    "signer": "0x4d6701aee41cF386F0f1Dc360F47F200983c6c62",
    "userId": "454478631"
  }
}