{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "98311147",
    "entityType": "User",
    "nonce": "0xa4dabe3a817098e8af2da052f9266323b9a04605c3c39b3a8ff5a2259d65130a",
    "signature": "0x8824e905a0e6f0bf7d325fcd2e1c8fe037f439c050575e9fb502cbc638526cc10e61bf50914070c8aa8f3cbce52618c841455ef1b0269d4cca24bb80a45d2f321b",
    "signer": "0x09Ed944A6653804DF5E864d5240c837F643E2c0F",
    "userId": "214509563"
  }
}