{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2180",
    "entityType": "User",
    "nonce": "0xd6008da892150bee818bf2e2546a2a0855249c3277ee298ab0c48d9f3974f321",
    "signature": "0x9a3d6a56fd04eff0f6b6986fddbd5c53a88567697f6d423447223ee22982b1db7b3422aa4a757f64aef1c30a3d9eb661fbfcaa8668d11342e1fc0e3860c6323e1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}