{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "280159",
    "entityType": "User",
    "nonce": "0x07de32f80f01fea446282a6b630115b6e398d7f4cf4d58e4ac4e30b4c69abd6b",
    "signature": "0x8c930eb50f6ff8a7f2b7b012b09dca9a272480e2fc1ba2b594fd4c44dcb155132efc7fe9634a83a183dd8af9d3d39be44fca5785c1e0b27501173bd80f1024ad1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}