{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "53389",
    "entityType": "User",
    "nonce": "0x9e01a53bf345ea7053ebe381696ab4c95acdb3b66863c785ae33e319d6396ae2",
    "signature": "0xd58595498dee3fbd1255564ca772e2113f4c2d47fd6c639899fbb96128e6e2e628d004cdf6e44876c8ace924a5fd8431b8891e7395099e8a7ead1b5878016d411b",
    "signer": "0x05aba01c97C4F182D989670622abE9c797782dD2",
    "userId": "508263176"
  }
}