{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "322129",
    "entityType": "User",
    "nonce": "0x5a37a846784cc831a716a48a23365ef9f46a0af170b8783b7e008095a28264fe",
    "signature": "0x95de02b069823d7da77524b492a68bbc0985e1a83c69db891c9f5f6df0d8cad01d003aab55a23229b0e24d5bab9f8247da7bdf6d21ea3593a70d042a1be7e4ad1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}