{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "8865",
    "entityType": "User",
    "nonce": "0xcc3aadb553275539de7988dda0103966e6eef543ebdb6e2904bd23e711483e16",
    "signature": "0x6cc946ffef12cc07bbb15b2e910aa18c1e0208dc799c3ead524ce39805097f6800d69dcba3cd28722323dd437c39fc2069736ee295fd503f44ba6a65f96623b71c",
    "signer": "0xF83f8804040D884fCBAcD57d4Dbeaa764176F931",
    "userId": "455502808"
  }
}