{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0xd91a1b6b49814fcde69b57bbf33ff5fa35cd0839c7344447e1f9f6ba99ca620c",
    "signature": "0x73754d4c6e7a7576536c91bc860c2150c2ede0a52d333c4e295f4a9fde0f71ee00c6eb9c6bb24d0831d62f196a85f4b7bce069dfd31acf0026f41e3a956ba5281b",
    "signer": "0xDa13a6A1dA92472EAa96BBE0391B9c49F8639b27",
    "userId": "614784509"
  }
}