{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "146510",
    "entityType": "User",
    "nonce": "0x31bcdc6cb4ebd149b13f56ceb933d5e622fd35f46e057c69b55777f339be79a6",
    "signature": "0x5624e6a4933e3ad41facbb2c72e585319e0e0c5e3af25330f9f877124ba37090003769e690f361e7c41bcf234cd700186042e3c692e0a014c64ef314b38481f41c",
    "signer": "0x09B272A00c21FcBced8F768468e39b2de1081C1c",
    "userId": "575254579"
  }
}