{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xaa2db49023498149e1638ef4bec7035cab3a1a8be225e7dd41bbefd16d3eff45",
    "signature": "0x4925c44faaa0a8f517196a3aed10cc66e8b916857cf55e08c40581d84d21ff7670f2580670a563fdfe27be55d28f1d5641210386dfb59d17c6fdd5287ca28e351c",
    "signer": "0x9325ff401c082e872909b4C9BC40a4522d8182ff",
    "userId": "875994361"
  }
}