{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "94777",
    "entityType": "User",
    "nonce": "0xf6c7f53123f54798e082cdb954a5a3cf6437a65dfb153786abcba57c256d7cbf",
    "signature": "0x7044d7c0558541898141eedda51547a869430dfdfb1db82ec035b7ba5cd6e7115589a2e9907c2d52898b085f0eec4e2fbc591d9c8f3a154767d3d837377aa5041b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}