{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "139",
    "entityType": "User",
    "nonce": "0x27ab22f4c3d7a1250bf582d342f89bc74fb7a50c7d80b0692f2951820f990a4c",
    "signature": "0x6e8b84fe95a2bb02af6e7386f9380ffd1e4229fdc64c5969a47fe0b957299d476e1db24a6903cc24f197f038d31709c798d03da768c1ebbaa0285820e0cdfba51c",
    "signer": "0xdAF0ec8e1563ae5c1A7E3efB442E18C6Dd356F1c",
    "userId": "937303258"
  }
}