{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "173358",
    "entityType": "User",
    "nonce": "0x3ecedb6973b88a087a8c7c71a3c583da3e7add3d84eed2325a674c9211d86f46",
    "signature": "0xb84975c7059c85e48445bb2fa9518ac4bde4e107d4ef8ab49cb62a9db641114a1fcfa3e89bc80ee18145a27ae18fc5e0f2df6de313f6ab8ddf5843c0a71a42fc1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}