{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "197743",
    "entityType": "User",
    "nonce": "0x173d1152b3098fa1b6327bfc7c72a86046e478683cde0ef83e0267fa567c4702",
    "signature": "0x9dffc3bdebc61cc488253534d3f953937089d272f1ffe16915978219a2f71dac6c459ae315c1f40628e605be6d286679ef688850648fb648709a37185d481b081c",
    "signer": "0x0eE7CC00e9f61Fa97181E6BB203C97f8b23904e6",
    "userId": "968779607"
  }
}