{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179478096",
    "entityType": "User",
    "nonce": "0xbdcbe13f6c8ccbf3cd887b2c3fca0ae4304555463420416ab21caaae51c81ee5",
    "signature": "0x0c84600156bc137a4111a9533b6decff6c0bbe0af2992d86319cdae801d01c10201ccd03aecc3aacb63352a1c90c8e337116381221c5e9014dfd3511e2607d811c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}