{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "364130",
    "entityType": "User",
    "nonce": "0xddb97d1524a6b812e235f6c25af8b408eeff4ff3ac7c48e17ab5c90e4d154384",
    "signature": "0x27b8d5005d1323ea0b32b31bc036cafa50ced9b6aa9d18dfeea39b30774489160a0d7c005f6cd4d79a6109677f5b2691a4b8fb4a257ba18e86a11dc5441405ff1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}