{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x55a0638b0f9a7680b860e5fc051e586825b2b3c117088cce7cd76f87d68c88c4",
    "signature": "0x7cdbe44c6b7431ff94bce4954adc15516735909acaebe77da8d447ce4a57ca3c118d836c58b055ac28e91549d8f356e22c80fe1e1d3dd70a672448cf49c59dd61c",
    "signer": "0x530E0389C7352Fb2d85d2CC319F68bC2df8C4392",
    "userId": "874338785"
  }
}