{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "76351",
    "entityType": "User",
    "nonce": "0x25f74453a41a5ba7e3eada8b443fba5932f69bd651494f48707fc3036da44c03",
    "signature": "0x34d5313fb2b012b184e1b75d69ee23fb0331929eac394f847d7f14b971f5dde965c9c8e0414ce6cb3872e992c908c360ecb5d73b49827c1701862ce09c460a101c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}