{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xc6c26c9f17783a1bbe78c1c113086de106ab287bc2f21a8fe0fd0347bc493ee8",
    "signature": "0x7109588c595cd1788cc9621051e72c9a85e2fb80e0aa7cfbd3d033d30050e5ad2d61c40b57422369687545bb88bcd0d21553da74172f1f2e59ce0f8d728f31e51b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}