{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179898534",
    "entityType": "User",
    "nonce": "0xbe5ab380e4da37f832cb5e64b555dca854c61a1edef0f6146d0ad376d57dd9e9",
    "signature": "0x437f818da9f54231b68242673f55255b6c3fee5e7b3b7041a03f37ca38ebd065305fb034ec90e3c37d8668c53c681bcbc1b905c19ade6a0254b6d1ca257479591b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}