{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "4766",
    "entityType": "User",
    "nonce": "0x60a669e1d2c627ffdf9bce1b0d47793fc16180a42b9f9e35087d1d1e63c22705",
    "signature": "0x25f2c3225f9590ab0cf7862262fe3b9b92715fe832ac6b8f2e6977ed89c215596b9c805d7d4fdb96f6269c66a2692b7fca12e102a868be2a131ea047fa1ea4921b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}