{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x8b0300fadc5281d28aa595630f87c615e69140d27b8d4bc6ce1dc9e35197ea6c",
    "signature": "0x061e0db66adeae95ee12f8ea832586b94891919c26ecbefcf83ab41dbaea083b4212c5a927c3df8dfd960530ae77f621c4c5528c94184b9da5cb0b7e3a28f0f01c",
    "signer": "0x26363DA4669439783EfEfa3176EE2Fb895445d78",
    "userId": "824146899"
  }
}