{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x3339c0ecaeb8358ad66c036f060727076a0e863e526f54d7019df65fcab12177",
    "signature": "0xfdcc7f162d3a9b14ba4790961d7e300c0f81c108ba85ba6f352698817f3db00135fb2d663121253c0f421d26f0abd2045f83faed96f7bde2501b2acdad51983b1b",
    "signer": "0x2Edf46ADa8E59c3B9773BD314ee3E6Cc6CCD4252",
    "userId": "908896153"
  }
}