{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x20f1a1e0639282bcbaeba1853a7560aa2b5d4013844ad576079aa4f31cb20fbe",
    "signature": "0x3a7bea4685846170018a9b628d3e2be546a241c8e30e6b372188d90d7df1af46098b9091585c10ab5a83784737e15275dfadf699631abcd4ef99171e0b350b711c",
    "signer": "0x4ab505DBD73CB27C1457E037607E5fB3B27915f9",
    "userId": "186630"
  }
}