{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "180536",
    "entityType": "User",
    "nonce": "0x0a2a5f0916c96108556f4d3d88de619fbaff9f2218325efe6d4ad1d5afcd6037",
    "signature": "0xad0adf65e0753c53172a7f319dd84b8533761d1ba239004090ba837259279bbb703061a86d57c6394c3f5bc4822d8274a5a378c583c42d06dffe9784cb9722101c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}