{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "66762",
    "entityType": "User",
    "nonce": "0x072c9f7e3d77c4c8923f116992989d35478ddeeffb3afc3686a3e35354c79ac7",
    "signature": "0xb852927b58a4e77b3f42a14044f12d191c418f31f780e1829483f48259eff8cb4b5a7e4e4b48199b3e2db749f6f694fcae8f9ba9486db0a38db517ea41d2a9791b",
    "signer": "0x3D8B2928f8C6d3a1605187DacEb37824a527A1cB",
    "userId": "394450"
  }
}