{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x5266a0feab635aed0f3463d3cfca539f12ff4c13cda5eb3da3e7d59616765e5d",
    "signature": "0xb7822cfbf3c7def614722947f3d7279be8c366aad65e87ca5f645aa1f83cb25547cc642f0ba255a39886f0c63db7232d95b9fffef01c718fa1ae8935047e7b9c1c",
    "signer": "0x6268f3F36E0fe8D3E139bC6d32d7539887721848",
    "userId": "418312750"
  }
}