{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "9377",
    "entityType": "User",
    "nonce": "0xa5fa01f35c6be8193aabb95605ddbcfd4daba26f06d622f09ef25ca9c175dac1",
    "signature": "0x5a9b85e31cdb95961f969bac728661b607e3d3ea170ff07a3acab43019e2170e647b8759248892baf40a970dfa365d378878b4b0d457a077ed1e34edfab9511d1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}