{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "108641",
    "entityType": "User",
    "nonce": "0xd6727ecd14822383068f33288fe9f5be448be6cffc2d7e9b7aa73292cac050ae",
    "signature": "0xd2d240373577b3ee40140b9b6e965a356ea6cd52cf5602d3acb8d352bd31c1bf42156bea9ead89d73f2b7785bdd5ddc993616af913306328507a29f81dc5fc351b",
    "signer": "0x1A0e34aBD5374BDd677c5de4D5D9718089cB05Eb",
    "userId": "644286186"
  }
}