{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319048",
    "entityType": "User",
    "nonce": "0x003dae11192695482040ad2dc98930010cb0bd49dd7ebbc72bbf1d3bc53111ce",
    "signature": "0xf432ec0b2d32862d14476214aed5edc740ee14a51880cb96da3e619ffb88dab852c0a0ecfc3dd16761a006ba4100e0ab854ba40331d61a5e85e52dd9c850fbb21b",
    "signer": "0x99349974a285BA4Da3FB67Dbec77e3f462a5E306",
    "userId": "214996084"
  }
}