{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "217833",
    "entityType": "User",
    "nonce": "0x91d56a873e79aba09854f91b336934efe03bc026d025238142187066f1bebb34",
    "signature": "0xc2a83f2fcfb64abee37c6ea8c2bdaef884ad0618bba9da9947c60cec4b61b5dc1babc938ec1a381e7ca8f9eec8672553f99740813b4f3cbdf6234734876023b51b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}