{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "302628",
    "entityType": "User",
    "nonce": "0x9aa0eee7ef1114e35d6749f2e5fbad0cda89837586d01c7b7bf75e4c618d4287",
    "signature": "0x6c0938c1eb2123e03383a012a6f184201b19dd8687adfb8c36566f3aa779189231ce0ac785c6ac908f8b619f95f5973df7c614945d6c2f8da9daa3f23d93ce0c1b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}