{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "86172",
    "entityType": "User",
    "nonce": "0x10c57aa283664b0e77d5e2ae8157886d2147b9e1bb00f9de72325f5d5cc1b9b5",
    "signature": "0x117ef1784ca00b482ab88045a5c90aaa2e0b19c0c10f648c1c1b1c021a5c615520bcead9a8e1281d547d5c6b5c40dcafb7a7f6b7e08c38c1a5d600cba4b978741b",
    "signer": "0x3D8B2928f8C6d3a1605187DacEb37824a527A1cB",
    "userId": "394450"
  }
}