{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "352914791",
    "entityType": "User",
    "nonce": "0xfe08d20dd67ede751dc272eaaf93d2f15c97c2f1b7ae40ce2ff62c461809994f",
    "signature": "0x012ebb0be9fce500499a267788097809a01c961b15417bef450f3dca7e9e65db7252087ae9ae2e4ea44bb83a29c3198e34245cea36dbedf9a5c37853ad5a2f0c1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}