{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "175670",
    "entityType": "User",
    "nonce": "0x86541b79e1b9ff830dede31f6ad642487ccfbed4574e1852092f3b5c3a15f416",
    "signature": "0x57a2d658fdd16686e40d5bff32f03e2050d24d0f415663bbef3dfd0ea3e6b87b0c92d72b252a0d578a9996512152ab5a0436b59ec90daf85cb4a77d53f15ad521c",
    "signer": "0x3CEbf9bfE1b24355cBC348701860d601E226Dfbb",
    "userId": "172240066"
  }
}