{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "363614",
    "entityType": "User",
    "nonce": "0xbe8ca14585002a7b2ee0ed9c961a207364658cff5a40587b47c13361e37035cf",
    "signature": "0xa94d4b3bfb6a37e53af2e95575c94e49d4978290ddcbbbbd21a411662b72734012544ed104b1572de9cb5bb61a6e15ea7e61f0f8c49135230cab28dcead27aca1b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}