{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "486490947",
    "entityType": "User",
    "nonce": "0x6b3c37c98ed85601e4b916aae4b997dcf284f439e5130e969cbfccf2b377b9ef",
    "signature": "0xaa1d77c22d1db7a033910cb1382ee1e38719bd879b15903ad52559fdd7e75d5419f18259aac46b505b5cbbf6172c36104f08c50c7157a5d3f92eb4d3f65542ea1c",
    "signer": "0x0E6Ef8dF2F401D8918d603B82ef321D94A721556",
    "userId": "648802251"
  }
}