{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "35844",
    "entityType": "User",
    "nonce": "0xf9fef0fc325880cda71db076fffb3aaa783777b3ea235eac1693bbd44bb0c651",
    "signature": "0x5612a00a21de2b2075342b0f48c9cd7fdf84f36151480c1c7e545f7119ff31ce740f9220106a9f0a0594149b474035b8b872a641c63f48f952dfe2020fcf20621b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}