{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "480566323",
    "entityType": "User",
    "nonce": "0x735646571a0db30cc702f5476a7188ad89bb71ced23e2fed3ce61b67d2f84bf7",
    "signature": "0x555cba45c409b533f51cce822d4aa1b9cc38527e87d7628785b5b956cd38e9fa186a6be755dbe04d2b907106a9abe0f012c9eb50bc730982297a640dea659eb61b",
    "signer": "0x690b8E3ECc02141CC0d8Cc1f257ee760EF482d86",
    "userId": "267813348"
  }
}