{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0x57d792489b77888e832669ded7805cb095eab65becff705ec3b931cf1714d9f7",
    "signature": "0xd3937a0b020493e46aba4cf5353d94002d28f634deadc356a3f4a448c64ee467128c740d4376e3dd1e08411307e80133a3935e55f0ab2b93ebad5e2d086c01e51b",
    "signer": "0xAfE04b3A47505816aD72A3036422AC553C1dFEc3",
    "userId": "515307498"
  }
}