{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xae1935f2168992fd943c1f8a10776a5db0a521cea53d2c3b492c97d280d7fad7",
    "signature": "0x23f4c0aab17252a626448de5b450b9758839b7988c6502ca60cfe2131818aadb6834819edebbc992b63d2f313aec3011cbc24f203b94a577c6cf1d295d62f2141b",
    "signer": "0x8cAb834F826D5A147bF5434142f6D07Bc0f4978F",
    "userId": "827837269"
  }
}