{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "4083",
    "entityType": "User",
    "nonce": "0xffec35f5d56d82805da322389e4308f6637c25dec1865f972ca356be18935df9",
    "signature": "0xacf4dc97e86010cdb5fb56d6cfdb60448cbf969e162df48e35b312c6fdc874ef4651a426bfae278e067a73108c266691e1a5d2045c84ae0b0ffa2d52244edd611b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}