{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "149566028",
    "entityType": "User",
    "nonce": "0xd403cf4ce3107442c10faf4690310933faf7e59f744b4b88a2cf448ac51f74d7",
    "signature": "0x082e20400497e14ff45cf9e0d8bb5e0dea64cb832bee33d097e5acd42fc6d020298d4bffe2148be143352ec82f936ff5b602f44ff8c4bca0e72b4061661cd1f81b",
    "signer": "0x28E33991512111134d5d0a41560151532083B312",
    "userId": "9962"
  }
}