{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "460631539",
    "entityType": "User",
    "nonce": "0xbd7ea7636c59d93aae069e75893323d5596e4a886be2cc630bf724bffac85b20",
    "signature": "0xd6d8fd875675bd541c657a1d5aa14ce7882494c40a88cde56fb1cb5182aa54c13bf76ae259ea0e654bcd0aaa74e9c3db1c06efb9f5d6c2a6fe062e5520b184301c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}