{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2044",
    "entityType": "User",
    "nonce": "0x03b8ca0f61b547e2114fb2a25f94b01817fc00621475faead331bdbd4081a5d5",
    "signature": "0xb01be69cfff912646a3f2535c4c7d96a63eef4d6b8d63dc5e4b2048c8590528127aa146e1d8b3d86bb187ab372488b5de1b58525e0fb8d01225df2166da45dea1c",
    "signer": "0x0157D745aebb0AD9f297C69193065ce6fBB09853",
    "userId": "208486764"
  }
}