{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1894938",
    "entityType": "User",
    "nonce": "0x1e456dfb94542deffc8cab61f6bceffdf62f00973937b7f5086eebbc676180b2",
    "signature": "0x1702aa2a371e489034c6a770b2634ac8e898b54faa445cb1d32babe11faebc705255d06dc5689d2dd51e9f8527f13cdefdb915828f20f720af124d28e858c9af1c",
    "signer": "0x6124CF3cBdc678B30cAB8d4312DEAbDd093d8A91",
    "userId": "557666705"
  }
}