{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1886033",
    "entityType": "User",
    "nonce": "0x9060bf9b539c160f87a309e5409bddd5de0a39a545513899b99408fec2c57add",
    "signature": "0x93fcc04cb2fce33abc04eac361216126be1155380bbdb86b84e5fe899ac79bb039bcbf9f78292df188315745a10a29d6359525c56a9472e64ea39b910defc2621c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}