{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25688",
    "entityType": "User",
    "nonce": "0x9f83c0b87de14fb9e5ed0112bcfdc07d01eef09f15b70332b0043e2bcbad0032",
    "signature": "0x8c76b0b847c8c245a714b0a10c8635eed33a11506e4eb11c755fc5e8e01e1d2c3c42394eb885fca3497779fb1f766ab3a8022deac62549fb02aca16175492baa1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}