{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7284",
    "entityType": "User",
    "nonce": "0x4e2690569542a36d6c3f14b091eeeabb3bf582ac456431caf0203ee6edb053e5",
    "signature": "0x47549ff3b369217ed9fc88c5c94bd0475cd66ac3f2beed7cfd209a379e7986014011410f8bbb27a3b9b8121b419f6540b47d26d49e2efd4235f98e9edb7552c41b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}