{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "211416595",
    "entityType": "User",
    "nonce": "0x10f83749e6fa1f97b056d9e8f0e7b80eaa72fbabd06235ef0219c58106d95d88",
    "signature": "0xf861646b6ba645e38e61c68fe67cfde0f19edb6d0d5822bbd97ab46c995a367b3cde2261bcf7df3d4440019ed552ebceda9484bcfe236140e316587c4fbd10f31b",
    "signer": "0x811B619477Ea800Cc8e7fDd08cEA323eC3E06411",
    "userId": "791433195"
  }
}