{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1037430",
    "entityType": "User",
    "nonce": "0x0155a4a11b4c8c9370a8380047c64281e05e544e1bf2ce311096d9703374aa4c",
    "signature": "0xe973cc488d457ac3148c25a5697dc819de925435f56b1affe86bf7da424ff517033205d5c2d48a9cbd97fe71a1cfba74fc7b066e2acdb9f6fec83133cb2b1d371b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}