{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "655790469",
    "entityType": "User",
    "nonce": "0x52631da26f033da0e7980402c23ab2deca50c4044bb96d2aac2a90302a89ca7f",
    "signature": "0xe6aa69c4e05ed6ef754038a356e5ce48c17652e32c34c9659ba278fa99809c3c2b36db8f3aa5e3cb9d65e51218ae448b3e3aed915eab958819814153bd247ebf1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}