{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0x877c1525975f43a96243682240e4bd03441fba07c1f43af9b80cbbdb7082547c",
    "signature": "0x91a9576213948a3cbeba02cef9a6d78d3cd332f29d8638858c6dff26ecacfc5e7a6c485e503765c9bd0de0249339411ef599c0d539aab578e701eb3f70d6fc6c1b",
    "signer": "0x6fb79570A836Ea8554ad1D745C12769B22f1e4E3",
    "userId": "283478"
  }
}