{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "774036892",
    "entityType": "User",
    "nonce": "0x0beb96b7e364c8a1bcc123322a5b80fac9e3830b03b0ae737e6843840fccdbcb",
    "signature": "0x32dedb21a9e612c36bae0abe45acfc1b962d23f9246959eb644a2317bcd7131a59137d892fe4032b536dfe4695bc4aefa2ad637ca381d95fa6fd1c2ae2ba1ef41c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}