{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xdfe93f46f4d37d8971719b31c6262ca069b32366543c930a78be3679163f8444",
    "signature": "0x92a257ae991d82ccfd6259f6884193af5fa76313bb192ff97a1466ab9da8e30440d4514840ef09823d6d2e1eca06ed3250c50dafc7cb9324f17ad0f23c646b9f1b",
    "signer": "0x6edbc4212576b410cE4afDAE094F88703c806703",
    "userId": "477506989"
  }
}