{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1415332",
    "entityType": "User",
    "nonce": "0x1c939c7774646af4a4bf60d4dfcfd55a505d98fb00a0e4fa6bd5e15e2c1c062b",
    "signature": "0x9d0ca543893771fdf5dbab949d1130fad78932d5ead9741e7f98c720e9dec59d66e4cd0fd62eac1f48b9ddbc411d913dd3e93e0574ad6b283c61e53db89829911b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}