{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "70734",
    "entityType": "User",
    "nonce": "0xe219e1767c4870fe9f3477927c7b07bf4092b54072b535004405f1ee1a1b074b",
    "signature": "0x0bbfe9d22dbf728d8185bfa5927400c5c2789b9e495fb4dd4442873b346b0a3e495237c9de90de4e65d7c5ce7ebff98ef321f8c0a9fdca5283af6b808b0725b51c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}