{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "159144",
    "entityType": "User",
    "nonce": "0x861cd8171ecfbc1815c45941a7949eb3aeb87a1c85c4d576abb51c4f79f3a252",
    "signature": "0xe23b746aebdc560cc206576c1f036034273ccf56112fca2e2f7309734eb2f97a7da7b28fdb6d9cba67c50caeeebd9f370bf4853f84a7db9f448638e9ce0db5261b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}