{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55290787",
    "entityType": "User",
    "nonce": "0xb0630f4711ea596af942d73e527511b239fb5b8a16f0736396d3c05f3b071134",
    "signature": "0x2e34a0724186db9ce46ec5163a02f919f393b6461dbe7872edad714bee82a20e3e4ad438b23585651aec381151121bd8c62df49ce6e5299322d7201b01b45a091b",
    "signer": "0x5f669126A64334710E37f472BfBfE0D8cF408577",
    "userId": "171892"
  }
}