{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xa2bb0987913ca6b66e88fe9a6c50cc91757ab637334f0e16312b7f6cf3a0064a",
    "signature": "0x75885ff14c238e882fd2ece377a08fdff3e15c1a61badbbdd73c51b1a0afd474224b29aa08a3d90aa2ff47dfda53ff919fb580d188be312fbdcf995944abf6fd1b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}