{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "711459379",
    "entityType": "User",
    "nonce": "0x130d99391f75366cf66fe3235c92484d89220530aca2cfca3dea8bbe22dca4f7",
    "signature": "0x518c2a94af25a1f3b4b6a7dc4cb86d220c7a46f0bdc1d270d0eac42bde266db068cd0f7992824aba6ff0b690a3cd1065669cc60865fa06f4162c4dec6c1db0341c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}