{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "110830293",
    "entityType": "User",
    "nonce": "0x77101dedbbe74e1eb7eecb11661e09d5f56b07044223ea5c73cca90914d9300c",
    "signature": "0x175ef39b82623f5ba3e58c5d084c207ab7ac9afd5e63ac6937b3385a432eaccb5468d6b8a673b8a94fbc9902a9f9351fc3dfb5a2cff4cf31805a583c54184c811c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}