{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "30263",
    "entityType": "User",
    "nonce": "0x7a915df0608c4825c5264874b36e12ed547e8e8d74f7082b8e598b9e3fb8ca0e",
    "signature": "0x6e0e644831121fcc7aaa234e66b31eabef6a2d3d286b288a159a2402f97950702dd7038b76f4f712e16e36b4763d2065c6c6c451fd49054cf704daa388a1500d1b",
    "signer": "0x99579cBBf75032De98d51e1f45bC64e75B4B9e1A",
    "userId": "529938035"
  }
}