{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "136098",
    "entityType": "User",
    "nonce": "0x973b9a5b1392e54718bb83d3f9461bca758aef514c1cdad12c1ed7a930d0578d",
    "signature": "0xd2ad93002ac0b6e10204a07b3d68bed6a62b3c3338fbc255abe43087430501344472ce0c2aabcd1357339b23f4c1ef3f6ecf1aca29f5e98ef87f087cfc92a70e1b",
    "signer": "0x48ECe992edB7C739B36f37DDbE8Fe352996B5A56",
    "userId": "183063753"
  }
}