{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77114",
    "entityType": "User",
    "nonce": "0x6edc095606a52afe706e24b2c5c1e301e08491c6f0f699af5e49f69c08457952",
    "signature": "0xa2225b0feab504d44b91d009d81583204a0acc61165040ba17c5c6e0f42d7db3102dadbf2322de6ee8ef997ddd2dbed840d26ae6f3245b9106f0cfae3b9649801b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}