{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "175065",
    "entityType": "User",
    "nonce": "0xf01a1bbc3493341da19c46c6071538c1e04bbaee907a8e1f2a9de2a52481dc51",
    "signature": "0x93734ac4041ec2136f6b8d400dd6acb8c4d3be5ac5f5429d09655db6c92e9f005aaba0ac13b874d37cb31175a324541dee1e20a244a6b6b430daf4339d6ac0911c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}